Roman 25mm Figures I\'ve been painting (novice/advanced)

[Olaf The Viking]

Alexandru,
That is not a catapult... 8)

Aitor

Scorpio?? Isn't that a catapult which fired heavy arrows using torsion force? In that case this is not a scorpio.
I found written that all are called catapults. And I found that balista fired heavy arrows but using other sistem, like a crossbow. On other site they say it fired large stones. I'm very confused.